document.write( "Question 961091: Find the length of a rectangle which is three time as much as its width and requires 1200 of 6 cm. square tiles
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Algebra.Com's Answer #587369 by MathLover1(20849)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "let the length of a rectangle be \"L\" and the width \"W\"\r
\n" ); document.write( "\n" ); document.write( "if the length is \"three\" time as much as its width, then we have\r
\n" ); document.write( "\n" ); document.write( "\"L=3W\"....eq.1\r
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\n" ); document.write( "\n" ); document.write( "if requires \"1200\" of \"6cm\" square tiles (\"36cm%5E2\" is the area of each tile) for paving the area, then the area to cover is \"1200%2A36cm%5E2=43200cm%5E2\" and that area should be equal to area of the rectangle\r
\n" ); document.write( "\n" ); document.write( "\"A=L%2AW\"
\n" ); document.write( "\"43200cm%5E2=3W%2AW\"
\n" ); document.write( "\"14400cm%5E2=W%5E2\"
\n" ); document.write( "\"sqrt%2814400cm%5E2%29=W\"\r
\n" ); document.write( "\n" ); document.write( "\"W=120cm\"\r
\n" ); document.write( "\n" ); document.write( "\"L=3W\"....eq.1
\n" ); document.write( "\"L=3%2A120cm\"
\n" ); document.write( "\"highlight%28L=360cm%29\"\r
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